1. Warm-Up
Solve for the indicated variable.

2. Yesterday’s Homework Any questions?
Please pass your homework to the front.
Make sure the correct heading is on your paper.
Is your NAME on your paper?
Make sure the homework is 100% complete.
Incomplete work will NOT be accepted.

3. Solving Absolute-Value Equations
Heading
5/22/2019
Solving Absolute-Value Equations
TSWBAT: solve equations that involve absolute value symbols.
Students solve equations and
inequalities involving absolute values.

4. Notes Absolute Value = The distance the point is from zero. Ex.
How far is 2 from 0?
What is the absolute value of 2? 2 2
ALWAYS positive.
NEVER negative.
What is ?
Now you try.
Find the absolute value.
Ex.
Ex.
Ex.
Ex.

5. Notes Find the absolute value. Ex. Ex.
What two numbers are 5 away from zero!
Now you try.
Ex.
Ex.

6. Notes
Now you try.
Solve the equation.
Ex.
Ex.

7. Notes
Now you try.
Solve the equation.
Ex.
Ex.

8. Notes
Now you try.
Solve the equation.
Ex.
Ex.

9. Notes
Now you try.
Solve the equation.
Ex.
Ex.

10. Notes
Solve the equation.
Ex.

11. Notes
Now you try.
Solve the equation.
Ex.

12. Summary
To solve equations involving absolute ______ bars first make sure that the absolute value bars are ________ to one side. Next _______ off into two problems, one set to the original positive number and one set to the ________. Finally solve both _________ separately.
value
isolated
branch
negative
equations

13. Worksheet 2.7 Today’s Homework Rules for Homework Pencil ONLY.
Must show all of your work.
NO WORK = NO CREDIT
Must attempt EVERY problem.
Always check your answers.

14. Homework
Solve the equation.

15. Ticket Out the Door
Complete the Ticket Out the Door without talking!!!!!
Talking = time after the bell!
Put your NAME on the paper.
When finished, turn your paper face DOWN.
Solve the equation.